12698624927 has 2 divisors, whose sum is σ = 12698624928. Its totient is φ = 12698624926.

The previous prime is 12698624903. The next prime is 12698624987. The reversal of 12698624927 is 72942689621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12698624927 - 2⁸ = 12698624671 is a prime.

It is a super-2 number, since 2×12698624927² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12698624987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349312463 + 6349312464.

It is an arithmetic number, because the mean of its divisors is an integer number (6349312464).

Almost surely, 2^12698624927 is an apocalyptic number.

12698624927 is a deficient number, since it is larger than the sum of its proper divisors (1).

12698624927 is an equidigital number, since it uses as much as digits as its factorization.

12698624927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 56.

The spelling of 12698624927 in words is "twelve billion, six hundred ninety-eight million, six hundred twenty-four thousand, nine hundred twenty-seven".